Denial of Service Vulnerability in Eclipse Mosquitto by Eclipse Foundation
CVE-2017-7651

7.5HIGH

Key Information:

Vendor

The Eclipse Foundation

Status
Eclipse Mosquitto
Vendor
CVE Published:
24 April 2018

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 21%

What is CVE-2017-7651?

A vulnerability in Eclipse Mosquitto 1.4.14 allows an unauthenticated user to initiate a Denial of Service attack by overwhelming the server with a large number of connections containing high payloads. This exploitation occurs during the connection phase of the MQTT protocol, potentially leading to excessive RAM usage and server shutdown. Users of Eclipse Mosquitto should review their configurations and apply any available security updates to mitigate this vulnerability.

Affected Version(s)

Eclipse Mosquitto 1.4.14

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

MqttAttack
Created by mukkul007

CVE-2017-7651
Created by St3v3nsS

References

https://lists.debian.org/debian-lts-announce/2018/03/msg0...
mailing-listx_refsource_MLIST
https://mosquitto.org/blog/2018/02/security-advisory-cve-...
x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2018/06/msg0...
mailing-listx_refsource_MLIST

EPSS Score

21% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.